Home / 7,881.45-10,875.78-4,896.33

Finding the Fourth Proportional to 7,881.45, 10,875.78 and 4,896.33

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Solution

The fourth proportional to 7,881.45, 10,875.78 and 4,896.33 is: 6,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.45 : 10,875.78 = 4,896.33 : x
  2. Step 2: Convert to fraction form
    7,881.45/10,875.78 = 4,896.33/x
  3. Step 3: Cross multiply
    7,881.45x = 10,875.78 × 4,896.33
  4. Step 4: Simplify right side
    7,881.45x = 53,251,407.89
  5. Step 5: Solve for x
    x = 53,251,407.89/7,881.45
  6. Step 6: Final answer
    x = 6,756.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.